US3381558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tools
Assignee: Gebr WENDLER GmbH
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Filing: 1966-05-16
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Granted: 1968-05-07
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 Eisenhardt Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:57
CPC Classifications
B; B23; B23B; B23B11/00; B23Q; B23Q5/00; B23Q5/22; B23Q5/34; B23Q5/341; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2527
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
211 words
IN A MACHINE TOOL, A ROTARY MAIN SPINDLE HAVING AN AXIS ALONG WHICH A STATIONARY WORKPIECE IS ADAPTED TO BE LOCATED, ROTARY TOOL-CARRYING MEANS OPERATIVELY CONNECTED TO SAID MAIN SPINDLE FOR ROTATION THEREWITH AND INCLUDING A TOOL-CARRYING LEVER WHICH ROTATES WITH SAID TOOL-CARRYING MEANS AND WHICH IS TURNABLE WITH RESPECT THERETO ABOUT AN AXIS PARALLEL TO SAID SPINDLE AXIS, ROTARY CAM MEANS COAXIAL WITH SAID MAIN SPINDLE AND COOPERATING WITH SAID LEVER FOR ACTUATING THE LATTER TO DISPLACE A CUTTING TOOL CARRIED THEREBY INTO ENGAGEMENT WITH AND WITH RESPECT TO A STATIONARY WORKPIECE SITUATED ALONG SAID STATIONARY AXIS DURING ROTATION OF SAID SPINDLE, SAID TOOL-CARRYING MEANS THEREWITH, AND SAID CAM MEANS, A CAM-CARRYING SPINDLE CONNECTED WITH SAID CAM MEANS FOR ROTATING THE LATTER, PLANETARY MEANS OPERATIVELY CONNECTED WITH SAID SPINDLES AND INCLUDING A PAIR OF SUN GEARS RESPECTIVELY FIXED TO SAID SPINDLES AND PLANETARY GEARING MESHING WITH SAID PAIR OF SUN GEARS AND PROVIDING A PREDETERMINED TRANSMISSION RATIO THEREBETWEEN, SAID PLANETARY GEARING OF SAID PLANETARY MEANS BEING CARRIED BY A PLANETARY GEAR CARRIER OF SAID PLANETARY MEANS, AND A PAIR OF DRIVE MEANS RESPECTIVELY CONNECTED OPERATIVELY WITH SAID PLANETARY GEAR CARRIER AND WITH SAID MAIN SPINDLE FOR RESPECTIVELY DRIVING SAID PLANETARY GEAR CARRIER AND SAID MAIN SPINDLE AT DIFFERENT ROTARY SPEEDS.
Claim 2
Dependent Claim
211 words
IN A MACHINE TOOL, A ROTARY MAIN SPINDLE HAVING AN AXIS ALONG WHICH A STATIONARY WORKPIECE IS ADAPTED TO BE LOCATED, ROTARY TOOL-CARRYING MEANS OPERATIVELY CONNECTED TO SAID MAIN SPINDLE FOR ROTATION THEREWITH AND INCLUDING A TOOL-CARRYING LEVER WHICH ROTATES WITH SAID TOOL-CARRYING MEANS AND WHICH IS TURNABLE WITH RESPECT THERETO ABOUT AN AXIS PARALLEL TO SAID SPINDLE AXIS, ROTARY CAM MEANS COAXIAL WITH SAID MAIN SPINDLE AND COOPERATING WITH SAID LEVER FOR ACTUATING THE LATTER TO DISPLACE A CUTTING TOOL CARRIED THEREBY INTO ENGAGEMENT WITH AND WITH RESPECT TO A STATIONARY WORKPIECE SITUATED ALONG SAID STATIONARY AXIS DURING ROTATION OF SAID SPINDLE, SAID TOOL-CARRYING MEANS THEREWITH, AND SAID CAM MEANS, A CAM-CARRYING SPINDLE CONNECTED WITH SAID CAM MEANS FOR ROTATING THE LATTER, PLANETARY MEANS OPERATIVELY CONNECTED WITH SAID SPINDLES AND INCLUDING A PAIR OF SUN GEARS RESPECTIVELY FIXED TO SAID SPINDLES AND PLANETARY GEARING MESHING WITH SAID PAIR OF SUN GEARS AND PROVIDING A PREDETERMINED TRANSMISSION RATIO THEREBETWEEN, SAID PLANETARY GEARING OF SAID PLANETARY MEANS BEING CARRIED BY A PLANETARY GEAR CARRIER OF SAID PLANETARY MEANS, AND A PAIR OF DRIVE MEANS RESPECTIVELY CONNECTED OPERATIVELY WITH SAID PLANETARY GEAR CARRIER AND WITH SAID MAIN SPINDLE FOR RESPECTIVELY DRIVING SAID PLANETARY GEAR CARRIER AND SAID MAIN SPINDLE AT DIFFERENT ROTARY SPEEDS.
References Cited (Backward Citations)
US3128658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |